Veritas Storage Foundation™ 5.0.1 for Oracle RAC Installation, Configuration, and Administrator's Guide Extracts for the HP Serviceguard Storage Management Suite on HP-UX 11i v3
Table Of Contents
- Veritas Storage Foundation™ 5.0.1 for Oracle RAC Installation, Configuration, and Administrator's Guide Extracts for the HP Serviceguard Storage Management Suite on HP-UX 11i v3
- Table of Contents
- Preface
- 1 Introducing Serviceguard Extension for RAC
- About Serviceguard Extension for RAC
- How Serviceguard Extension for RAC Works (High-Level Perspective)
- Component Products and Processes of SG SMS Serviceguard Cluster File System for RAC
- Communication Infrastructure
- Cluster Interconnect Communication Channel
- Low-level Communication: Port Relationship Between GAB and Processes
- Cluster Volume Manager
- Cluster File System
- Oracle Disk Manager
- Additional Features of Serviceguard Extension for RAC
- 2 Planning SGeRAC Installation and Configuration
- 3 Configuring the Repository Database for Oracle
- 4 Using Storage Checkpoints and Storage Rollback
- About Storage Checkpoints and Storage Rollback in SGeRAC
- Using Storage Checkpoints and Storage Rollback for Backup and Restore
- Determining Space Requirements for Storage Checkpoints
- Performance of Storage Checkpoints
- Backing up and Recovering the Database Using Storage Checkpoints
- Guidelines for Oracle Recovery
- Using the Storage Checkpoint Command Line Interface (CLI)
- Examples of Using the Command Line Interface
- Prerequisites
- Creating or Updating the Repository Using dbed_update
- Creating Storage Checkpoints Using dbed_ckptcreate
- Displaying Storage Checkpoints Using dbed_ckptdisplay
- Mounting Storage Checkpoints Using dbed_ckptmount
- Unmounting Storage Checkpoints Using dbed_ckptumount
- Performing Storage Rollback Using dbed_ckptrollback
- Removing Storage Checkpoints Using dbed_ckptremove
- Cloning the Oracle Instance Using dbed_clonedb
- 5 Using FlashSnap for Backup and Recovery
- About Veritas Database FlashSnap
- Planning to Use Database FlashSnap
- Preparing Hosts and Storage for Database FlashSnap
- Summary of Database Snapshot Steps
- Creating a Snapplan (dbed_vmchecksnap)
- Validating a Snapplan (dbed_vmchecksnap)
- Displaying, Copying, and Removing a Snapplan (dbed_vmchecksnap)
- Creating a Snapshot (dbed_vmsnap)
- Backing Up the Database from Snapshot Volumes (dbed_vmclonedb)
- Cloning a Database (dbed_vmclonedb)
- Resynchronizing the Snapshot to Your Database
- Removing a Snapshot Volume
- 6 Investigating I/O Performance for SGeRAC: Storage Mapping
- A Troubleshooting SGeRAC
This file contains the logs pertaining to the CRS resources such as the virtual IP, Listener,
and database instances. It indicates some configuration errors or Oracle problems, because
CRS does not directly interact with any of the Veritas components.
• To check for core dumps
— For Oracle 10g R1: $ORA_CRS_HOME/crs/init
— For Oracle 10g R2: $ORA_CRS_HOME/log/<hostname>/crsd/
Core dumps for the crsd.bin daemon are written here. Use this file for further debugging.
• To check the Oracle css log file
— For Oracle 10g R1: $ORA_CRS_HOME/css/log/
— For Oracle 10g R2: $ORA_CRS_HOME/log/<hostname>/cssd/
The css logs indicate actions such as reconfigurations, missed checkins, connects, and
disconnects from the client CSS listener. If there are membership issues, they will show up
here. If there are communication issues over the private networks, they are logged here.
• To check for ocssd core dumps
— For Oracle 10g R1: $ORA_CRS_HOME/css/init
— For Oracle 10g R2: $ORA_CRS_HOME/log/<hostname>/cssd/
Core dumps from the ocssd and the pid for the css daemon whose death is treated as fatal
are located here. If there are abnormal restarts for css the core files are found here.
Oracle Notes
Review the following Oracle notes:
Table A-2 Oracle Notes
CRS and 10g Real Application Clusters259301.1
How to install Oracle 10g CRS on a cluster where one or more nodes are not to be configured to
run CRS.
280589.1
10g RAC: Troubleshooting CRS Reboots265769.1
How to Restore a Lost Vote Disk in 10g279793.1
10g RAC: How to Clean Up After a Failed CRS Install
Two items missing in this Oracle note are:
Remove the /etc/oracle/ocr.loc file. This file contains the location for the Cluster registry.
If this file is not removed then during the next installation the installer will not query for the OCR
location and will pick it from this file.
If there was a previous 9i Oracle installation, then remove the following file: /var/opt/oracle/
srvConfig.loc. If this file is present the installer will pick up the Vote disk location from this
file and may create the error “the Vote disk should be placed on a shared file system” even before
specifying the Vote disk location.
239998.1
CRS 10g Diagnostic Collection Guide272332.1
Troubleshooting SGeRAC Checkpoint
Headings indicate likely symptoms or procedures required for a solution.
SGeRAC Checkpoint Feature Requires DBA Group to Have MLOCK Privileges
If MLOCK privileges are not set for the dba group, the checkpoint creation may fail with the
following error:
Could not find ascii control file under oracle home/admin/dbname/udump
To fix this issue, you must set the MLOCK privilege for the dba user.
96 Troubleshooting SGeRAC